Home / 103,726.60-155,244.30-95,432.20

Finding the Fourth Proportional to 103,726.60, 155,244.30 and 95,432.20

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Solution

The fourth proportional to 103,726.60, 155,244.30 and 95,432.20 is: 142,830.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,726.60 : 155,244.30 = 95,432.20 : x
  2. Step 2: Convert to fraction form
    103,726.60/155,244.30 = 95,432.20/x
  3. Step 3: Cross multiply
    103,726.60x = 155,244.30 × 95,432.20
  4. Step 4: Simplify right side
    103,726.60x = 14,815,305,086.46
  5. Step 5: Solve for x
    x = 14,815,305,086.46/103,726.60
  6. Step 6: Final answer
    x = 142,830.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.